Polo Hofer has had enough: after 18 years collaboration, he separates from his most successful band. The Hunziken mill is not only the venue for Polo and the Schmetter Band’s last ten gigs, but also the meeting place for friends, family, former comrades-in-arms, and competitors. “abXang” is a film with edges and corners. A look back onto the highs and lows of “Switzerland’s last rock ‘n’ roll band.” Above all, “abXang” approaches a star that everyone knows, though few really know who he is.